MIFFLIN RD over SR 8059


+40.39157, -79.93436
40°23'30" N, 79°56'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MIFFLIN RD over SR 8059
Structure number:000000000001307
Old structure number:020885023000000 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:55.1 ft. [16.8 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:45.6 ft. [13.9 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:5,280 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.9 tons [57.2 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Sufficiency rating:46.1
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201546.1PoorPoorFairPoorSD5280
July 201346.1PoorPoorFairPoorSD5338
July 201146.0PoorPoorPoorPoorSD5509
July 200943.3PoorPoorPoorPoorSD6797
July 200745.2PoorPoorPoorPoorSD7611
July 200556.0PoorPoorPoorPoorSD7416
July 200356.1PoorPoorPoorPoorSD6984
July 200148.0PoorPoorPoorFairSD8942
July 199948.1PoorPoorPoorFairSD8784
July 199747.3PoorPoorPoorFairSD8460
July 199546.8PoorPoorPoorFairSD9386
July 199359.2PoorPoorFairFairSD7967
July 199159.3PoorPoorFairFairSD7521

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Closed Web/Box Girderlinear ft.298297010
Reinforced Concrete Decksq. ft.2,3251,46586000
Wearing Surfacessq. ft.2,0441,28875600
Reinforced Concrete Abutmentlinear ft.1369920161
Other Jointlinear ft.106110500
Elastomeric Bearingeach1212000
Bridge Rail
Other Material Bridge Raillinear ft.102102000